Manufacturing method for absorbent products and manufacturing device for absorbent products

Abstract

Provided is a manufacturing method for absorbent products that has a process for placing on connected flaps on latch members that are fastenable to prescribed areas on both sides of a center line that is parallel to the MD-direction of the flap line, a process for folding over both edges of the flap continuum toward the center line along the MD-direction on the flap line, a process for forming flaps by cutting the flap continuum along the CD-direction on the flap line, and a process for placing the flaps at prescribed intervals on absorbent article continuum on the main body line so that the center line is in the MD-direction.

1 . A manufacturing method for absorbent articles each including front waistline members, rear waistline members, and crotch members, the crotch members connecting each of the front waistline members and the rear waistline members, comprising:
 placing latch members that can be attached to and locked in predetermined regions, on both sides of a center line of a flap line extending along a moving direction of the flap line, on a flap continuum having a long shape and being continuously transported on the flap line;   forming flaps on the flap line, by cutting the flap continuum along a direction crossing the moving direction of the flap line; and   placing each of the flaps on an absorbent article continuum having a long shape and being continuously transported on a main body line, so that the center line extends along a moving direction of the main body line; wherein   on the flap line, both side edge portions of the flap continuum are folded back toward the center line .   
     
     
         2 . The manufacturing method for the absorbent articles according to  claim 1 , wherein,
 in placing the latch members, the latch members are placed on the both side edge portions of the flap continuum, and   the both edge portions of the flap continuum are folded back toward the center line.   
     
     
         3 . The manufacturing method for the absorbent articles according to  claim 2 , wherein
 the both edge portions of the flap continuum are folded back toward the center line, and the latch members placed on the both edge portions are attached to and locked on the flap continuum.   
     
     
         4 . The manufacturing method for the absorbent articles according to  claim 1 , wherein,
 in placing the latch members on the flap continuum, the latch members are placed on both sides of a vicinal region of the center line extending along the moving direction of the flap line, and further comprising:   forming a potential cut line that halves the flap continuum along the center line.   
     
     
         5 . The manufacturing method for absorbent article according to  claim 1 , wherein,
 the both edge portions of the flap continuum are folded back toward the center line, several times.   
     
     
         6 . The manufacturing method for the absorbent articles according to  claim 1 , wherein,
 in placing the flaps, the flaps are bonded onto the absorbent article continuum.   
     
     
         7 . A manufacturing apparatus for absorbent articles each including front waistline members, rear waistline members, and crotch members, the crotch members connecting each of the front waistline members and each of the rear waistline members, comprising:
 a latch member placing structure configured to place latch members that can be attached to and locked in predetermined regions, on both sides of a center line extending along a moving direction of a flap line, on a flap continuum having a long shape and being continuously transported on the flap line;   a side edge folding back structure configured to fold back both side edge portions of the flap continuum toward the center line; and   a cutting and placing structure configured to form flaps by cutting the flap continuum along a direction crossing the moving direction of the flap line, and to place each of the flaps on an absorbent article continuum having a long shape, so that the center line extends along a moving direction of a main body line.